apiary
发表于 2025-3-28 16:50:04
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hardheaded
发表于 2025-3-28 22:41:48
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儿童
发表于 2025-3-28 22:54:30
A Tour of Mars Through the Eyepiecent reference point on the planet’s surface which was used for determining an accurate value for the planet’s rotation and to construct accurate maps of Mars. This reference point, centered on a small feature we now know as Sinus Meridiani (Meridiani Planum), is still used today as zero longitude.